hotspot/src/cpu/x86/vm/stubRoutines_x86.hpp
author vdeshpande
Thu, 03 Mar 2016 22:02:13 -0800
changeset 36555 4f37fd7a5a09
parent 35154 a9b3c1984a01
child 38018 1dc6c6f21231
permissions -rw-r--r--
8150767: Enables SHA Extensions on x86 Summary: Add x86 intrinsics for SHA-1 and SHA-256. Reviewed-by: kvn, twisti Contributed-by: vivek.r.deshpande@intel.com, shravya.rukmannagari@intel.com

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef CPU_X86_VM_STUBROUTINES_X86_HPP
#define CPU_X86_VM_STUBROUTINES_X86_HPP

// This file holds the platform specific parts of the StubRoutines
// definition. See stubRoutines.hpp for a description on how to
// extend it.

 private:
  static address _verify_mxcsr_entry;
  // shuffle mask for fixing up 128-bit words consisting of big-endian 32-bit integers
  static address _key_shuffle_mask_addr;

  //shuffle mask for big-endian 128-bit integers
  static address _counter_shuffle_mask_addr;

  // masks and table for CRC32
  static uint64_t _crc_by128_masks[];
  static juint    _crc_table[];
  // table for CRC32C
  static juint* _crc32c_table;
  // swap mask for ghash
  static address _ghash_long_swap_mask_addr;
  static address _ghash_byte_swap_mask_addr;

  // upper word mask for sha1
  static address _upper_word_mask_addr;
  // byte flip mask for sha1
  static address _shuffle_byte_flip_mask_addr;

  //k256 table for sha256
  static juint _k256[];
  static address _k256_adr;
  // byte flip mask for sha256
  static address _pshuffle_byte_flip_mask_addr;

 public:
  static address verify_mxcsr_entry()    { return _verify_mxcsr_entry; }
  static address key_shuffle_mask_addr() { return _key_shuffle_mask_addr; }
  static address counter_shuffle_mask_addr() { return _counter_shuffle_mask_addr; }
  static address crc_by128_masks_addr()  { return (address)_crc_by128_masks; }
  static address ghash_long_swap_mask_addr() { return _ghash_long_swap_mask_addr; }
  static address ghash_byte_swap_mask_addr() { return _ghash_byte_swap_mask_addr; }
  static address upper_word_mask_addr() { return _upper_word_mask_addr; }
  static address shuffle_byte_flip_mask_addr() { return _shuffle_byte_flip_mask_addr; }
  static address k256_addr()      { return _k256_adr; }
  static address pshuffle_byte_flip_mask_addr() { return _pshuffle_byte_flip_mask_addr; }
  static void generate_CRC32C_table(bool is_pclmulqdq_supported);
#endif // CPU_X86_VM_STUBROUTINES_X86_32_HPP